What is the best speed to set the central heating pump

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Getting the pump speed wrong can cost you in higher energy bills. Get it right and make your heating system as energy efficient as you can. • Al`s plumbing shop for parts. http://www.dereton33.com/page500.html • Saved some money on plumbers fees? Use the THANKS button. • Or through Paypal using my site link https://www.dereton33.com/page118.html • Many thanks Al.

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